What substance is removed during a condensation reaction?
a. water
b. a dimer
c. a polymer
d. a hydrocarbon
e. a carboxyl group
a
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The United States devotes more acerage to ___
than any other plant.
a. wheat b. corn c. rice d. potatoes e. legumes
A scolex is
a. the anterior attachment organ of a tapeworm. b. the feeding organ of a fluke. c. an appendage of a sandworm. d. the egg of a sea star. e. the larva of an aquatic insect.
What might happen over time if two bird species competed for the same seed resource and one preferred larger seeds while the other species preferred smaller ones?
A) Species would repeatedly switch between small and large seeds. B) Beak sizes might shift over time. C) Both species would die out via competition. D) Seed size will shift larger over time.
You have been maintaining a list of the bird species that frequent your property. At the end of the year you have tallied eight seed eaters, one nectar sipper, three woodpeckers, six insectivores, two frugivores, four predators, and one carrion feeder. Which term best describes each of the categories you have used in your tally?
A) community B) guild C) population D) habitat